IT985784B - TELEPHONE SIGNAL EMITTER RECEIVER DEVICE - Google Patents

TELEPHONE SIGNAL EMITTER RECEIVER DEVICE

Info

Publication number
IT985784B
IT985784B IT51029/73A IT5102973A IT985784B IT 985784 B IT985784 B IT 985784B IT 51029/73 A IT51029/73 A IT 51029/73A IT 5102973 A IT5102973 A IT 5102973A IT 985784 B IT985784 B IT 985784B
Authority
IT
Italy
Prior art keywords
receiver device
signal emitter
telephone signal
emitter receiver
telephone
Prior art date
Application number
IT51029/73A
Other languages
Italian (it)
Original Assignee
Thomson Csf
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Csf filed Critical Thomson Csf
Application granted granted Critical
Publication of IT985784B publication Critical patent/IT985784B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
IT51029/73A 1972-06-27 1973-06-26 TELEPHONE SIGNAL EMITTER RECEIVER DEVICE IT985784B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7223174A FR2191797A5 (en) 1972-06-27 1972-06-27

Publications (1)

Publication Number Publication Date
IT985784B true IT985784B (en) 1974-12-20

Family

ID=9100883

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51029/73A IT985784B (en) 1972-06-27 1973-06-26 TELEPHONE SIGNAL EMITTER RECEIVER DEVICE

Country Status (6)

Country Link
JP (1) JPS4959501A (en)
DE (1) DE2332775A1 (en)
FR (1) FR2191797A5 (en)
IT (1) IT985784B (en)
NL (1) NL7308931A (en)
ZA (1) ZA734088B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50151579A (en) * 1974-05-27 1975-12-05
FR2412987A1 (en) * 1977-12-23 1979-07-20 Ibm France PROCESS FOR COMPRESSION OF DATA RELATING TO THE VOICE SIGNAL AND DEVICE IMPLEMENTING THIS PROCEDURE

Also Published As

Publication number Publication date
JPS4959501A (en) 1974-06-10
DE2332775A1 (en) 1974-01-10
FR2191797A5 (en) 1974-02-01
ZA734088B (en) 1974-05-29
NL7308931A (en) 1974-01-02

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